.test-scss {
    width: 100px;
}

@mixin accepts-content {
    @for $i from 1 to 5 {
        @content($i, 360deg * $i / 5);
    }
}

@include accepts-content using ($number, $hue) {
    .color-#{$number} {
        background-color: hsl($hue, 75%, 90%);
    }
}